Home / 4,547.28-6,821.88-1,471.44

Finding the Fourth Proportional to 4,547.28, 6,821.88 and 1,471.44

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Solution

The fourth proportional to 4,547.28, 6,821.88 and 1,471.44 is: 2,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.28 : 6,821.88 = 1,471.44 : x
  2. Step 2: Convert to fraction form
    4,547.28/6,821.88 = 1,471.44/x
  3. Step 3: Cross multiply
    4,547.28x = 6,821.88 × 1,471.44
  4. Step 4: Simplify right side
    4,547.28x = 10,037,987.11
  5. Step 5: Solve for x
    x = 10,037,987.11/4,547.28
  6. Step 6: Final answer
    x = 2,207.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.